Narrow, USS, Large Outside Diameter, SAE, Beveled
Alloy Steel, Titanium, Stainless Steel, Steel, Nylon
40 mm, 45 mm, 66 mm, 25 mm, 5/8"
0.375", 0.391", 0.25", 0.172", 0.5"
1.2 mm, 0.4 mm, 0.7 mm, 0.6 mm, 0.28 mm
DIN 6797A, BS 4320:1968, BS 4320G, BS 4320B, BS 4463